212133126 has 8 divisors (see below), whose sum is σ = 424266264. Its totient is φ = 70711040.

The previous prime is 212133107. The next prime is 212133127. The reversal of 212133126 is 621331212.

It is a sphenic number, since it is the product of 3 distinct primes.

212133126 is an admirable number.

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212133127) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17677755 + ... + 17677766.

It is an arithmetic number, because the mean of its divisors is an integer number (53033283).

Almost surely, 2^212133126 is an apocalyptic number.

212133126 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

212133126 is a wasteful number, since it uses less digits than its factorization.

212133126 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35355526.

The product of its digits is 432, while the sum is 21.

The square root of 212133126 is about 14564.7906267135. The cubic root of 212133126 is about 596.3979801387.

Adding to 212133126 its reverse (621331212), we get a palindrome (833464338).

The spelling of 212133126 in words is "two hundred twelve million, one hundred thirty-three thousand, one hundred twenty-six".